Home / 882,219.64-1,217,740.62-500,500.12

Finding the Fourth Proportional to 882,219.64, 1,217,740.62 and 500,500.12

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Solution

The fourth proportional to 882,219.64, 1,217,740.62 and 500,500.12 is: 690,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,219.64 : 1,217,740.62 = 500,500.12 : x
  2. Step 2: Convert to fraction form
    882,219.64/1,217,740.62 = 500,500.12/x
  3. Step 3: Cross multiply
    882,219.64x = 1,217,740.62 × 500,500.12
  4. Step 4: Simplify right side
    882,219.64x = 609,479,326,438.87
  5. Step 5: Solve for x
    x = 609,479,326,438.87/882,219.64
  6. Step 6: Final answer
    x = 690,847.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.